//
//  WBVisitorView.swift
//  Weibo
//
//  Created by niqiang on 16/7/4.
//  Copyright © 2016年 niqiang. All rights reserved.
//

import UIKit

class WBVisitorView: UIView {

    //MARK: - 设置访客视图的信息
    //使用字典设置访客视图的信息
    
    var visitorInfo: [String: String]? {
        //didSet 重写set方法
        didSet {
            //1取字典信息
            guard let imageName = visitorInfo?["imageName"],
                message = visitorInfo?["message"] else {
                    return
            }
            //设置消息
            tipLabel.text = message
            //设置图像，首页不需要设置
            if imageName == "" {
                startAnimation()
                return
            }
            
            iconView.image = UIImage(named: imageName)
            
            //其他控制器的访客视图不需要显示小房子/遮罩视图
            houseIconView.isHidden = true
            maskIconView.isHidden = true
        }
    }
    
    //MARK: - 构造函数
    override init(frame: CGRect){
    super.init(frame: frame)
    
        setupUI()
    }
    
    
    required init?(coder aDecoder: NSCoder) {
        fatalError("init(coder:) has not been implemented")
    }
    
    //MARK:旋转动画（首页）
    private func startAnimation(){
    
        let anim = CABasicAnimation(keyPath: "transform.rotation")
        
        anim.toValue = 2 * M_PI
        anim.repeatCount = MAXFLOAT
        anim.duration = 15
       
        anim.isRemovedOnCompletion = false
        
        //将动画添加到图层
        iconView.layer.add(anim, forKey: nil)
        
    }

    

    
    
    //MARK: - 私有控件
    
    //图像视图
    private lazy var iconView: UIImageView = UIImageView(image: UIImage(named: "visitordiscover_feed_image_smallicon"))
    
    //遮罩视图
    private lazy var maskIconView: UIImageView = UIImageView(image: UIImage(named: "visitordiscover_feed_mask_smallicon"))
    
    //小房子视图
    private lazy var houseIconView: UIImageView = UIImageView(image: UIImage(named: "visitordiscover_feed_image_house"))
    
    //提示标签
    private lazy var tipLabel: UILabel = UILabel.cz_label(withText: "关注一些人", fontSize: 14, color: UIColor.darkGray())
    
    //注册按钮
    lazy var registerButton: UIButton = UIButton.cz_textButton("注册", fontSize: 16, normalColor: UIColor.orange(), highlightedColor: UIColor.black(), backgroundImageName: "common_button_white_disable")
    
    //登录按钮
    lazy var loginButton: UIButton = UIButton.cz_textButton("登录", fontSize: 16, normalColor: UIColor.darkGray(), highlightedColor: UIColor.black(), backgroundImageName: "common_button_white_disable")
    
}

//MARK: -设置界面
extension WBVisitorView{

    func setupUI(){
//    backgroundColor = UIColor.white()
        backgroundColor = UIColor.cz_color(withHex: 0xEDEDED)
        
        //1添加控件
        addSubview(iconView)
        addSubview(houseIconView)
        addSubview(maskIconView)
        addSubview(tipLabel)
        addSubview(registerButton)
        addSubview(loginButton)
        
        //文本居中
        tipLabel.textAlignment = .center
        
        //2取消 autoresizing
        for v in subviews {
            v.translatesAutoresizingMaskIntoConstraints = false
        }
        
        //3自动布局
        let margin: CGFloat = 20.0
        //>1图像视图
        addConstraint(NSLayoutConstraint(item: iconView, attribute: .centerX, relatedBy: .equal, toItem: self, attribute: .centerX, multiplier: 1.0, constant: 0))
        
        addConstraint(NSLayoutConstraint(item: iconView, attribute: .centerY, relatedBy: .equal, toItem: self, attribute: .centerY, multiplier: 1.0, constant: -60))
        
        // 2> 小房子
        addConstraint(NSLayoutConstraint(item: houseIconView,attribute: .centerX,relatedBy: .equal,toItem: iconView,attribute: .centerX, multiplier: 1.0,constant: 0))
        
        addConstraint(NSLayoutConstraint(item: houseIconView,attribute: .centerY, relatedBy: .equal, toItem: iconView, attribute: .centerY, multiplier: 1.0, constant: 0))

        // 3> 提示标签
        addConstraint(NSLayoutConstraint(item: tipLabel,
                                         attribute: .centerX,
                                         relatedBy: .equal,
                                         toItem: iconView,
                                         attribute: .centerX,
                                         multiplier: 1.0,
                                         constant: 0))
        addConstraint(NSLayoutConstraint(item: tipLabel,
                                         attribute: .top,
                                         relatedBy: .equal,
                                         toItem: iconView,
                                         attribute: .bottom,
                                         multiplier: 1.0,
                                         constant: margin))
        addConstraint(NSLayoutConstraint(item: tipLabel,
                                         attribute: .width,
                                         relatedBy: .equal,
                                         toItem: nil,
                                         attribute: .notAnAttribute,
                                         multiplier: 1.0,
                                         constant: 236))

        // 4> 注册按钮
        addConstraint(NSLayoutConstraint(item: registerButton,
                                         attribute: .left,
                                         relatedBy: .equal,
                                         toItem: tipLabel,
                                         attribute: .left,
                                         multiplier: 1.0,
                                         constant: 0))
        addConstraint(NSLayoutConstraint(item: registerButton,
                                         attribute: .top,
                                         relatedBy: .equal,
                                         toItem: tipLabel,
                                         attribute: .bottom,
                                         multiplier: 1.0,
                                         constant: margin))
        addConstraint(NSLayoutConstraint(item: registerButton,
                                         attribute: .width,
                                         relatedBy: .equal,
                                         toItem: nil,
                                         attribute: .notAnAttribute,
                                         multiplier: 1.0,
                                         constant: 100))

        // 5> 登录按钮
        addConstraint(NSLayoutConstraint(item: loginButton,
                                         attribute: .right,
                                         relatedBy: .equal,
                                         toItem: tipLabel,
                                         attribute: .right,
                                         multiplier: 1.0,
                                         constant: 0))
        addConstraint(NSLayoutConstraint(item: loginButton,
                                         attribute: .top,
                                         relatedBy: .equal,
                                         toItem: tipLabel,
                                         attribute: .bottom,
                                         multiplier: 1.0,
                                         constant: margin))
        addConstraint(NSLayoutConstraint(item: loginButton,
                                         attribute: .width,
                                         relatedBy: .equal,
                                         toItem: registerButton,
                                         attribute: .width,
                                         multiplier: 1.0,
                                         constant: 0))

        // 6> 遮罩图像
        // views: 定义 VFL 中的控件名称和实际名称映射关系
        // metrics: 定义 VFL 中 () 指定的常数影射关系
        let viewDict = ["maskIconView": maskIconView,
                        "registerButton": registerButton]
        let metrics = ["spacing": 20]
        
        addConstraints(NSLayoutConstraint.constraints(
            withVisualFormat: "H:|-0-[maskIconView]-0-|",
            options: [],
            metrics: nil,
            views: viewDict))
        addConstraints(NSLayoutConstraint.constraints(
            withVisualFormat: "V:|-0-[maskIconView]-(spacing)-[registerButton]",
            options: [],
            metrics: metrics,
            views: viewDict))

    }
}
